syzkaller login: [ 34.647551] sshd (226) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:53023' (ECDSA) to the list of known hosts. 2023/05/17 01:59:13 fuzzer started 2023/05/17 01:59:13 dialing manager at localhost:35573 2023/05/17 01:59:13 checking machine... 2023/05/17 01:59:13 checking revisions... [ 35.925194] kmemleak: Automatic memory scanning thread ended 2023/05/17 01:59:14 testing simple program... [ 35.998204] cgroup: Unknown subsys name 'net' [ 36.065118] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 48.205251] audit: type=1400 audit(1684288766.442:6): avc: denied { execmem } for pid=258 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 49.293643] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 49.295337] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 49.296723] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 49.299408] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 49.302352] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 49.303470] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 49.677145] ------------[ cut here ]------------ [ 49.678651] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 49.680507] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 49.681784] Modules linked in: [ 49.682185] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 49.686795] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.687917] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 49.688558] Code: 89 d8 4c 8b 43 08 48 c1 e8 03 42 80 3c 20 00 0f 85 af 00 00 00 48 8b 13 4c 89 e9 4c 89 fe 48 c7 c7 20 24 e2 84 e8 6a cd d5 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 49.690801] RSP: 0018:ffff88801475fc00 EFLAGS: 00010282 [ 49.691464] RAX: 0000000000000000 RBX: ffff88800e514c40 RCX: 0000000000000000 [ 49.692414] RDX: ffff88800f9a3680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 49.693362] RBP: ffff88800e514c54 R08: 0000000000000001 R09: 0000000000000000 [ 49.694309] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 49.695256] R13: ffffffff84e223a0 R14: ffff88800e514c48 R15: ffffffff84d73340 [ 49.696201] FS: 0000555556b61400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 49.697268] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.698129] CR2: 00007fdcf7cb76f4 CR3: 00000000162bc000 CR4: 0000000000350ee0 [ 49.699222] Call Trace: [ 49.699544] [ 49.699947] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 49.700538] ipv4_frags_init_net+0x269/0x440 [ 49.701227] ops_init+0xbb/0x6b0 [ 49.701665] setup_net+0x3d9/0x990 [ 49.702146] ? down_read_killable+0x1d7/0x4e0 [ 49.702720] ? __pfx_setup_net+0x10/0x10 [ 49.703217] ? copy_net_ns+0x17c/0x770 [ 49.703738] copy_net_ns+0x321/0x770 [ 49.704200] create_new_namespaces+0x3f6/0xb30 [ 49.704805] unshare_nsproxy_namespaces+0xc1/0x200 [ 49.705409] ksys_unshare+0x44d/0x8e0 [ 49.705918] ? __pfx_ksys_unshare+0x10/0x10 [ 49.706454] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 49.707184] __x64_sys_unshare+0x31/0x40 [ 49.707725] do_syscall_64+0x3f/0x90 [ 49.708185] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 49.708840] RIP: 0033:0x7fc69177d0d7 [ 49.709294] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 49.711426] RSP: 002b:00007ffe9d141df8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 49.712349] RAX: ffffffffffffffda RBX: 00007ffe9d142438 RCX: 00007fc69177d0d7 [ 49.713217] RDX: 00007fc6917e741f RSI: 00007ffe9d141d90 RDI: 0000000040000000 [ 49.714083] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe9d141ba0 [ 49.714950] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fc69188fbf0 [ 49.715820] R13: 00007ffe9d141ed0 R14: 0000000000000000 R15: 00000000000000f8 [ 49.716714] [ 49.717004] irq event stamp: 9527 [ 49.717416] hardirqs last enabled at (9537): [] __up_console_sem+0x78/0x80 [ 49.718450] hardirqs last disabled at (9548): [] __up_console_sem+0x5d/0x80 [ 49.719511] softirqs last enabled at (9256): [] irq_exit_rcu+0x93/0xc0 [ 49.720518] softirqs last disabled at (9197): [] irq_exit_rcu+0x93/0xc0 [ 49.721524] ---[ end trace 0000000000000000 ]--- [ 49.726930] ------------[ cut here ]------------ [ 49.727519] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 49.729513] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 49.730542] Modules linked in: [ 49.730971] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 49.732114] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.733102] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 49.733763] Code: 89 d8 4c 8b 43 08 48 c1 e8 03 42 80 3c 20 00 0f 85 af 00 00 00 48 8b 13 4c 89 e9 4c 89 fe 48 c7 c7 20 24 e2 84 e8 6a cd d5 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 49.736003] RSP: 0018:ffff88801475fc00 EFLAGS: 00010282 [ 49.736653] RAX: 0000000000000000 RBX: ffff88800a09a240 RCX: 0000000000000000 [ 49.737559] RDX: ffff88800f9a3680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 49.738460] RBP: ffff88800a09a254 R08: 0000000000000001 R09: 0000000000000000 [ 49.739378] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 49.740288] R13: ffffffff84e223a0 R14: ffff88800a09a248 R15: ffffffff84da62e0 [ 49.741191] FS: 0000555556b61400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 49.742186] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.742922] CR2: 00007fdcf7cb76f4 CR3: 00000000162bc000 CR4: 0000000000350ee0 [ 49.743829] Call Trace: [ 49.744154] [ 49.744449] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 49.745089] ipv6_frags_init_net+0x206/0x3c0 [ 49.745636] ops_init+0xbb/0x6b0 [ 49.746107] setup_net+0x3d9/0x990 [ 49.746557] ? down_read_killable+0x1d7/0x4e0 [ 49.747164] ? __pfx_setup_net+0x10/0x10 [ 49.747669] ? copy_net_ns+0x17c/0x770 [ 49.748218] copy_net_ns+0x321/0x770 [ 49.748739] create_new_namespaces+0x3f6/0xb30 [ 49.749322] unshare_nsproxy_namespaces+0xc1/0x200 [ 49.749970] ksys_unshare+0x44d/0x8e0 [ 49.750460] ? __pfx_ksys_unshare+0x10/0x10 [ 49.751066] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 49.751821] __x64_sys_unshare+0x31/0x40 [ 49.752332] do_syscall_64+0x3f/0x90 [ 49.752831] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 49.753467] RIP: 0033:0x7fc69177d0d7 [ 49.753957] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 49.756145] RSP: 002b:00007ffe9d141df8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 49.757087] RAX: ffffffffffffffda RBX: 00007ffe9d142438 RCX: 00007fc69177d0d7 [ 49.757965] RDX: 00007fc6917e741f RSI: 00007ffe9d141d90 RDI: 0000000040000000 [ 49.758864] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe9d141ba0 [ 49.759751] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fc69188fbf0 [ 49.760597] R13: 00007ffe9d141ed0 R14: 0000000000000000 R15: 00000000000000f8 [ 49.761515] [ 49.761848] irq event stamp: 11437 [ 49.762277] hardirqs last enabled at (11447): [] __up_console_sem+0x78/0x80 [ 49.763375] hardirqs last disabled at (11458): [] __up_console_sem+0x5d/0x80 [ 49.764421] softirqs last enabled at (11276): [] irq_exit_rcu+0x93/0xc0 [ 49.765466] softirqs last disabled at (11271): [] irq_exit_rcu+0x93/0xc0 [ 49.766502] ---[ end trace 0000000000000000 ]--- [ 49.767946] ------------[ cut here ]------------ [ 49.768535] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 49.770537] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 49.771642] Modules linked in: [ 49.772085] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 49.773276] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.774314] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 49.775003] Code: 89 d8 4c 8b 43 08 48 c1 e8 03 42 80 3c 20 00 0f 85 af 00 00 00 48 8b 13 4c 89 e9 4c 89 fe 48 c7 c7 20 24 e2 84 e8 6a cd d5 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 49.777208] RSP: 0018:ffff88801475fbf0 EFLAGS: 00010286 [ 49.777897] RAX: 0000000000000000 RBX: ffff88800a09bc40 RCX: 0000000000000000 [ 49.778809] RDX: ffff88800f9a3680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 49.779728] RBP: ffff88800a09bc54 R08: 0000000000000001 R09: 0000000000000000 [ 49.780597] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 49.781488] R13: ffffffff84e223a0 R14: ffff88800a09bc48 R15: ffffffff84daf020 [ 49.782387] FS: 0000555556b61400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 49.783405] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.784155] CR2: 00007fdcf7cb76f4 CR3: 00000000162bc000 CR4: 0000000000350ee0 [ 49.785073] Call Trace: [ 49.785401] [ 49.785737] nf_ct_net_init+0x224/0x3d0 [ 49.786254] ? __pfx_nf_ct_net_init+0x10/0x10 [ 49.786862] ops_init+0xbb/0x6b0 [ 49.787327] setup_net+0x3d9/0x990 [ 49.787819] ? down_read_killable+0x1d7/0x4e0 [ 49.788386] ? __pfx_setup_net+0x10/0x10 [ 49.788926] ? copy_net_ns+0x17c/0x770 [ 49.789428] copy_net_ns+0x321/0x770 [ 49.789937] create_new_namespaces+0x3f6/0xb30 [ 49.790523] unshare_nsproxy_namespaces+0xc1/0x200 [ 49.791203] ksys_unshare+0x44d/0x8e0 [ 49.791730] ? __pfx_ksys_unshare+0x10/0x10 [ 49.792280] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 49.793036] __x64_sys_unshare+0x31/0x40 [ 49.793556] do_syscall_64+0x3f/0x90 [ 49.794071] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 49.794747] RIP: 0033:0x7fc69177d0d7 [ 49.795219] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 49.797363] RSP: 002b:00007ffe9d141df8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 49.798321] RAX: ffffffffffffffda RBX: 00007ffe9d142438 RCX: 00007fc69177d0d7 [ 49.799227] RDX: 00007fc6917e741f RSI: 00007ffe9d141d90 RDI: 0000000040000000 [ 49.800123] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe9d141ba0 [ 49.801021] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fc69188fbf0 [ 49.801906] R13: 00007ffe9d141ed0 R14: 0000000000000000 R15: 00000000000000f8 [ 49.802823] [ 49.803146] irq event stamp: 12295 [ 49.803576] hardirqs last enabled at (12305): [] __up_console_sem+0x78/0x80 [ 49.804645] hardirqs last disabled at (12316): [] __up_console_sem+0x5d/0x80 [ 49.805723] softirqs last enabled at (11980): [] irq_exit_rcu+0x93/0xc0 [ 49.806758] softirqs last disabled at (11971): [] irq_exit_rcu+0x93/0xc0 [ 49.807810] ---[ end trace 0000000000000000 ]--- executing program [ 51.369429] Bluetooth: hci0: command 0x0409 tx timeout [ 53.416769] Bluetooth: hci0: command 0x041b tx timeout executing program [ 55.464898] Bluetooth: hci0: command 0x040f tx timeout executing program [ 57.512733] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 01:59:27 Registers: info registers vcpu 0 RAX=0000000000030e3d RBX=0000000000000000 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffffffff0a80fc7 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844c599f RFL=00000202 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=1 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 0000000000000000 00000000 00000000 GS =0000 ffff88806ce00000 00000000 00000000 LDT=0000 fffffe0000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f5c59da8078 CR3=0000000015bcc000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=00000000000000000000000000000000 XMM01=89de5b7d01c987a4f544646a7183dc91 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=cf5f0ccfb19baf92000000000013b778 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=b2f8c2f9aa271ef500000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00200000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801475f5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000020 R11=0000000000000001 R12=0000000000000020 R13=ffffffff87f27bc0 R14=0000000000000010 R15=ffffffff82507670 RIP=ffffffff825076dd RFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 0000555556b61400 00000000 00000000 GS =0000 ffff88806cf00000 00000000 00000000 LDT=0000 fffffe0000000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fdcf7cb76f4 CR3=00000000162bc000 CR4=00350ee0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=00000000000000000000000000000000 XMM01=00000000000000000000000000000000 XMM02=00000000000000000000000000000000 XMM03=00000000000000000000000000000000 XMM04=0000000000000000000000000000ff00 XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000